1206061273 has 4 divisors (see below), whose sum is σ = 1210353588. Its totient is φ = 1201768960.

The previous prime is 1206061267. The next prime is 1206061391. The reversal of 1206061273 is 3721606021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 834805449 + 371255824 = 28893^2 + 19268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206061273 - 2¹³ = 1206053081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206061223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2145736 + ... + 2146297.

It is an arithmetic number, because the mean of its divisors is an integer number (302588397).

Almost surely, 2^1206061273 is an apocalyptic number.

It is an amenable number.

1206061273 is a deficient number, since it is larger than the sum of its proper divisors (4292315).

1206061273 is an equidigital number, since it uses as much as digits as its factorization.

1206061273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292314.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1206061273 is about 34728.3928939996. The cubic root of 1206061273 is about 1064.4447495405. Note that the first 3 decimals are identical.

Adding to 1206061273 its reverse (3721606021), we get a palindrome (4927667294).

The spelling of 1206061273 in words is "one billion, two hundred six million, sixty-one thousand, two hundred seventy-three".